Window construction



July 25, 1933.

G. H. BRITAIN WINDOW CONSTRUCTION Filed July 50, 1931 2 Sheets-Sheet 1 :llll l|||||| llllllll July 25, 1933. e. H. BRITAIN WINDOW CONSTRUCTION Filed July 30, 1951 2 Sheets-Sheet 2 7E, 21m W i provide improved l0 Patented July I l ltis a diificultmatter to make the Wi1i'd; yvs' V in rai lway cars and otherrapidly:moving vehicles Weatherproof along the;fside-fedgesxot 'th'e s'ash, owing bathe-angle at wihichf the air) 5 currents containing rainwater,dustgicinders',

;: etc. strikeith e outer'flfo of the grudes whenthecafisinmotion; 1 a

a T1 1 e objecto'f the-present invention si th ;'Ineans for tve ath'erpr fing such Windows.

ti'on to each other as to afford afilabyrinthlike "The baffles serve to break up theentering currents at their source, thereby {preventing thein fr'orn --impinging directly against the orlotvering o'flthe sash; ja' i ditheylare ineXf pensive to nanufactureaiid'apply.

vention, other objects and advantages willl he apparent to those skilled in the art upon affull understanding of the 'constructi0n, arrange ment a and .rnannerpf] operation. of the "im j bodirnents of'the same arepresented'herein,

. 6 claim; 7 r a a 4 In the drawing Fig. 1 is a fragmentary side view ofa rail 7 7 Way oar, showing portions of two ordinary, carwindows equipped with the improved bafitle arrangement;

2+2 of'Fig. 1;

line3- 3 of Fig.2; 1;

50. Fig.4 is a perspective View of thebafliearr'wzird l-tac'in e d es'- I V H y a lr'itde f'inclnslve those viervvs', as 7' v the-post plates 11?; of a'windoyv opening, with V g V "thejside Tails 12bit "The 'weatherprocfingmeans oi' the'5 inven tron consists of two 301' more zbaifies which are niountedon the sashjand-gui'de'sin suc li 'reilae shield for the bearing [surfaces lie sash 1 W andguides's r I w bearing sin-faces they, perniit the: water and otherfforeign, matter tojrun out freely they do not interfere in any Way-With the raising 1 While the foregoingstaten ents are indica- V tive m a general way of the nature of; the ;in,"

but it-w ill of course be appreciated 'thatj 'the I invention is susceptible of embodiment instill; other structurally 'n' odified forrns coining] equally Within the scope of the a appended a Fig. 2 is a vertical section' taken on the'line ee ie vrange nen shown in'Fmg Figs'i to l8iinclusiv are perspeetivejviejw consists of a. rocker type lock 1513011} the end which 'shovv other structurally inodifiedyeni he: sash-disposed between I, I I ,ps 13 and 14on ythepostj The."stops. 13-;and' l4; forin 'vertical v wh'ich sthe sasli-jis adapted tdslidej; in 136mg: raised or .lovveredz, .T he inner. stop 7 leewhi'ch'wmay; also serve as a) curtain guide-sis, preferably-nude readilygdetach' t ah-lfi; whereby to permit easyfrein oval ofthefi sas "-The s ash lflfitslooselyijzbetween theystops v p13 and 14,- in order :topermit it to, slidetreely up or 'down,"za-nd is pressed outwardly against. the outer stop {13 When'in.,eitheryraised =0r ,v loweredqposition' by any'suitab'lemeans. The T- particular means-illustrated for? this'purpose l D 75' ofthe' bottoin l6 o'f th'e sashfvvhich lock I wedgesuaga/insij 1 any: one, ofkseveral inclined i seatsz l7 infalock racktprovided in the fzlouter facei zof-the' inner stop-1e, thereby forcingthe klower. portion' of'the sashoutwardly. The 80 upper por-tion:of-thesash isatithe same time force'dgoutwardly hy an outwardlyl spring- Pressed anti-iriction- "roller 18 which" is? 16 eat'ed inairecess 19; inthe inner stop" 14 and bears against the inner face of-the side 'rail 12; C The i improved weatherproofing means which, constitutes the subject matterlof this? 1 invention consists of a eevertically extending, I

strip 20zwhichisfattached to the side rail'12 y 3 p n of thesash and a second vertically extending strip 21 Which is attached to the "outer stop V hich is secured"againstthe outer face. of

.13, ana; -has an ofisetinwardly projecting flange} 25 along; its inner, edge, which flange t e side rail l2,.and'has' an outwardlyprojecting flangel23along the exposed edge of the attaching portion;- The'strip 21has a flat, I r r attaching porti-on g 2gWhich'issecured to the F 1g; 3 ;1s a hor zontalsectron,.taken on the 30 the 'flange 29 forthe-reeeption ofthe flangelaps with-'thefiange of the otheristrip i 1 preferably, though notnecessarily; in'sli'ght- ;1y-spaced relationthereto; 1 Theflange 23 extends into the groove26 which is formed between theflange 25' stop 13; 1"

v and the face of the outer lhe :ahoveidesorihed oonstf'u'etioiifproyides I y a labyrinth-like douhlebafliearrangement for r the protection of thebearing-j oint 27 between the outenfaee .of "the "attaching portioniof I, the strip'20and the inner'iface o'f-tIie-outer stop'13, which-arrangement efieetiyelybreaks 7 :the force of the entering air currents and 15prevents the safne from i;1npinging with full force direotlyfaga-inst the joint; 27. Any watenor other foreign matter which {passes .the edge of-the flange -wiltbe'defleoted into the groove 26 behind the flangkeaarid-Will I 'j move freely down in the 'groove -leavingthe same at the bottom th'rou'ghsuitable drainage outlets. Itwill be noted that; theattaohing portion 22 of; the stripgz'2 O also functions as: a wear strip i for the side lair-12 of 'the sash. v-

l Q I The 1 odified eonstruetio shown in Fig'i 5 is likewise characterized 'by" an" outwardly proj ecting" t me flange 28 on? '-'sidel"i1ai1 A 3 of the s'ash', "an inwardly. projecting bafiie; flange 29 on the outer stop 3O*in 1apped re1atio'ri to the flange 28 and a? groovefil behind s 28; but in this embodiment oftheinvention the strip 32 whiehearries the flange 29 is .pro-

vided with a f double bend in order 1 to vform thefgroove andi isfattached to the innercfaoe -33"of'the outer stop 30 instead 'ofto the'o outi wardlyextending face of thel'sa'rne. v 1 111 the oonstruction-i;hown 'n Fig.;-6' the f-above described "arrangement l is reversed.

The strip onithe side rai1" of the sash is provided with" two 1 outwardly v proj eating flanges '35wand36', with an abruptgroove37 I jbetwe'en'th'e flangesggandgthe strip 381011 vthe miter; stop ZispROVIidedwithwan ofi'set'ifiang 39' which "extends into the 'Tgrooxie'. 37;. The

In Fig. 7, two light gauge strips 41 and42 are' applied one over the 'other'tothe side rail of the. sash, andsueh strips are provided with outwardly .hent flanges i3'fand 44,1

which flanges terminate in reversely bent resiliently yieldableflspring edges 45 and 46.

" The edges' 4a5 and'46 converge inwardly into I [substantial contactjwith each other, and bear resiliently against the opposite sides 'of; an

formed as an offset; o e strip 48 which is;

fastened torthe" outer stop :The' closed groove 49'which is formed between the edges '7 of the flanges 43' and 414; will effectively stop any airgvwater or otherlforeign matter which happens toget past the edge46.

'fIniFig'. T8, t1, e sli'ding joint 50between the outer wfaceof the:v side-rail of the sash andi-the Qinner! face ofjtheouter stop 'is not protected by-ia-nyv-outside haflie arrangement. Instead, s

aflange 51iisformed on the outer edge of a. 1 the innerjstop behindtheedge ofthe rail, and

a gem e52 is 'forinediin 'the edge of'the rai1- I i for? the reception-of theflangefilg 2 5 I olaimg ,o a a In window oonstruetion, the combination means i for :pressing the "sash outwardly 1 against-the outer -wall'sjof the guides when I to the outer walisfof the side rails; of the sashwithin the guides in'direet opposition to the outerfwall s' of -the guides for extended surface. Contact with' the latter, said wear the outer walls of the guides with "outwardly projecting ,.flanges',.- and cover stripssecured to the guidesand provided beyond the edges of-the outer} walls of the. guides with offset flanges which extend about the outwardly projecting flangeson the-wear strips to;.p'rovide lahyrinth likeshields] .for the contact perl o bf he we rss r n 'whee the f is; esse q r 5 1 with-*1a vertioally' s1idab1e sheet; metal sash; i' ,ver icfll guidesfat the sides of the sash and "thesash is closed, of fiat wear stripsseoured a. a, m strips beingflproyided'ibeyond theedges of 

